As these waves pound against the sea floor, they generate a constant vibration with a frequency of about ten millihertz, much too low for humans to hear but easily detectable with seismometers.
当这些压力波撞击海床时，会产生一种频率为0.01赫兹的连续振动，而对我们人类而言这个频率太低了，所以根本听不到，但却很容易被地震仪侦测到。
Via adjusting the coupling constant of cavity and mirror, as well as the vibration frequency of mirror, different quantum states have been obtained.
通过调节腔场的长度、圆频率，以及镜子的质量、振动频率等宏观物理量，可以获得不同的量子态。
The general expression for the lateral vibration frequency equations of compressed straight bars with constant cross section on elastic foundations is deduced in this paper.
推导出弹性地基上的等截面受压直杆横向振动频率方程的一般表达式。
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